TSB : Test sequence

Details

Connect testing and information system VAS5051. See VEHICLE DIAGNOSTIC, TESTING AND INFORMATION SYSTEM VAS5051, CONNECTING AND SELECTING FUNCTIONS , and select vehicle system "01 -Engine electronics". Engine must be running at idling speed. Display on VAS5051: Fig 1: Identifying VAS5051 Scan Tool Display - Checking Intake Air System For Leaks (1 Of 4) Courtesy of AUDI OF AMERICA, INC. Under -1- select diagnostic function "08 - Read measured value block". Display on VAS5051: Fig 2: Identifying VAS5051 Scan Tool Display - Checking Intake Air System For Leaks (2 Of 4) Courtesy of AUDI OF AMERICA, INC. - Enter display group max. input value = 255 Enter "001" for "display group number 001" in zone -2- and confirm entry by pressing -Q- button. Display on VAS5051: Fig 3: Identifying VAS5051 Scan Tool Display - Checking Intake Air System For Leaks (3 Of 4) Courtesy of AUDI OF AMERICA, INC. Note engine speed in display zone -1-. Systematically spray parts of the intake system with engine leak detector spray. If engine speed drops: Check sprayed areas of intake system for leaks and repair if necessary. Exit function "08 - Read measured value block" by pressing -->button. Display on VAS5051: Fig 4: Identifying VAS5051 Scan Tool Display - Checking Intake Air System For Leaks (4 Of 4) Courtesy of AUDI OF AMERICA, INC. Under -1- select diagnostic function "06 - End output". Switch ignition off.